1031210223102 has 64 divisors (see below), whose sum is σ = 2297464715520. Its totient is φ = 342854272800.

The previous prime is 1031210223067. The next prime is 1031210223103. The reversal of 1031210223102 is 2013220121301.

1031210223102 is a `hidden beast` number, since 10 + 312 + 10 + 22 + 310 + 2 = 666.

It is a super-2 number, since 2×1031210223102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031210223103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128720277 + ... + 128728287.

It is an arithmetic number, because the mean of its divisors is an integer number (35897886180).

Almost surely, 2^{1031210223102} is an apocalyptic number.

1031210223102 is an abundant number, since it is smaller than the sum of its proper divisors (1266254492418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031210223102 is a wasteful number, since it uses less digits than its factorization.

1031210223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13846 (or 13840 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031210223102 its reverse (2013220121301), we get a palindrome (3044430344403).

The spelling of 1031210223102 in words is "one trillion, thirty-one billion, two hundred ten million, two hundred twenty-three thousand, one hundred two".